JPS60262104A - Insulator device for power transmission line - Google Patents
Insulator device for power transmission lineInfo
- Publication number
- JPS60262104A JPS60262104A JP59118863A JP11886384A JPS60262104A JP S60262104 A JPS60262104 A JP S60262104A JP 59118863 A JP59118863 A JP 59118863A JP 11886384 A JP11886384 A JP 11886384A JP S60262104 A JPS60262104 A JP S60262104A
- Authority
- JP
- Japan
- Prior art keywords
- power transmission
- optical fiber
- transmission line
- insulator
- hollow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
- G02B6/4417—High voltage aspects, e.g. in cladding
- G02B6/442—Insulators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Insulators (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は光ファイバーを利用して送電線の温度、電流、
張力等の状態を監視するために用いられる送電線用碍子
装置に関するものである。Detailed Description of the Invention (Industrial Application Field) The present invention utilizes optical fibers to control the temperature and current of power transmission lines.
This invention relates to an insulator device for power transmission lines used to monitor conditions such as tension.
（従来の技術）
近年、光ファイバーを利用して電力線の絶縁状態や温度
等の異常を監視する方法が開発され、変電所等において
は一部で実用化され始めているが、高電圧の電力線に取
付けたセンサーからの信号を光ファイバーにより接地側
に伝送する必要があるため光ファイバーに高度の絶縁性
能が要求されるにもかかわらず光ファイバーの保護手段
を備えた碍子装置は知られていなかった。このため光フ
ァイバーの保守が不十分で表面汚染による漏洩電流が流
れ、全体の閃絡を生じたり光ファイバーの浸食を生じた
りする虞れがあった。(Conventional technology) In recent years, methods have been developed to monitor abnormalities such as the insulation condition and temperature of power lines using optical fibers, and they are beginning to be put into practical use in some substations. Since it is necessary to transmit the signal from the sensor to the ground side using optical fiber, the optical fiber is required to have a high degree of insulation performance, but no insulator device equipped with a means to protect the optical fiber has been known. As a result, if the optical fibers are not properly maintained, leakage currents may flow due to surface contamination, which may cause overall flash shorting or erosion of the optical fibers.
（発明が解決しようとする問題点）
従って保守が容易な変電所内はともかく、保守が極めて
困難であるうえに強風により振動し易（、しかも、塩分
、塵介、水分、腐食性外気等の影響を受け易い送電線の
監視にはこの方法を適用することができない状況にあり
、上記のような悪条件を備えた送電線に対しても光ファ
イバーによる温度、電流、張力、その他の状態の監視を
行なうことを可能とする送電線用碍子装置がめられてい
た。(Problem to be solved by the invention) Therefore, although it is easy to maintain inside a substation, it is extremely difficult to maintain and is susceptible to vibration due to strong winds (and is susceptible to the effects of salt, dust, moisture, corrosive outside air, etc.) It is currently not possible to apply this method to the monitoring of power transmission lines that are susceptible to damage, and it is now possible to monitor temperature, current, tension, and other conditions using optical fibers even for power transmission lines with adverse conditions such as those mentioned above. An insulator device for power transmission lines has been developed to enable this.
（問題点を解決するための手段）
本発明は送電線の状態検知用の光ファイバーが中空部に
内蔵された中空碍子の両端を屈曲可能な接続金具により
接続してなる中空碍子連を高電圧側と接地側との間に設
けたことを特徴とするものである。(Means for Solving the Problems) The present invention provides a hollow insulator chain in which an optical fiber for detecting the state of a power transmission line is built in a hollow part, and both ends of the hollow insulator are connected by a bendable connecting fitting on the high voltage side. and the ground side.
（実施例）
以下に本発明を図示の実施例により詳細に説明・１）
ずれば、第１図において（１１は鉄塔、（２）は鉄塔ア
ー１
１ ム、（３）は本発明の送電線用碍子装置によって鉄
塔アーム（２）に懸垂支持される送電線である。送電線
用碍子装置は通常の懸垂碍子からなる通常の碍子連（４
）と光ファイバー（５）を中空部に内蔵する中空碍子連
（６）とを上下のヨーク（７）、（８）間に並列に結合
したものであって、下側のヨーク（８）は懸垂クランプ
（９）を介して送電線（３）を支持している。中空碍子
連（６）は送電線（３）の状態検知用の光ファイバー（
５）が中空部に内蔵された複数の中空碍子α０）、ＧＯ
＋を屈曲可能な接続金具（１１）により相互に屈曲可能
に接続してなるものであり、該光ファイバー（５）は送
電線（３）上に取付けられた光学センサー（１２）によ
り検出される送電線（３）の温度、電流、張力、その他
の情報を鉄塔アーム（２）上に設置された変換器（１３
）及び鉄塔（］）上端の接続箱（１４）を介して光フア
イバー複合ケーブルからなる架空地線（１５）に伝送す
るものである。中空碍子００）としてはひだ付碍管を用
いることが好ましく、その端部には第２図に示されるよ
うに光ファイバー（５）のコネクター（１６）を保持す
る保持具（１７）を備えた接続金具（１１）が接着剤（
１８）により固着されている。保持具（１７）は中空碍
子（１０）の端面との接合部にＯリングのようなパツキ
ン（１９）を備え、また、コネクター（１６）との接合
部にもパツキン（２０）を備えて乾燥空気、不活性ガス
のような絶縁媒体が封入された中空碍子００の中心孔（
２１）の内部の気密を保持している。また、保持具（１
７）の内面にはコネクター（１６）の基部と螺合する光
ファイバー（５）の張力調整金具り２２）が回動自在に
設けられていて保持具（１７）を接続金具（１１）のフ
ランジ部（２３）に締付ける前に張力調整金具（２２）
を回転させてコネクター（１６）を移動させ、光ファイ
バー（５）が中空碍子００）の中心孔（２１）の側壁と
非接触状態に保たれるようにすることができるようにな
っている。さらにまた、両側の保持具（１７）の間には
蛇腹状のステンレス鋼材等からなる可撓性収納管（２４
）が設けられており、光ファイバー（５）の保持具（１
７）、（１７）間に延びる部分を気密に保持している。(Example) The present invention will be explained in detail with reference to the illustrated example below.・1)
In FIG. 1, (11 is a steel tower, (2) is a steel tower arm 1 1 , and (3) is a power transmission line that is suspended and supported on the steel tower arm (2) by the insulator device for power transmission lines of the present invention. The insulator device for power transmission lines is a normal insulator chain (4
) and a hollow insulator chain (6) with an optical fiber (5) built into the hollow part are connected in parallel between the upper and lower yokes (7) and (8), and the lower yoke (8) is a suspension type. A power transmission line (3) is supported via a clamp (9). The hollow insulator chain (6) is an optical fiber (
5) is a plurality of hollow insulators α0) built into the hollow part, GO
+ are connected to each other in a bendable manner by a bendable connecting fitting (11). The temperature, current, tension, and other information of the electric wire (3) is transmitted to the converter (13) installed on the tower arm (2).
) and the steel tower (]) via the connection box (14) at the top end to the overhead ground wire (15) consisting of an optical fiber composite cable. It is preferable to use a pleated insulator tube as the hollow insulator 00), and a connecting fitting equipped with a holder (17) for holding the connector (16) of the optical fiber (5) at the end thereof as shown in FIG. (11) is the adhesive (
18). The holder (17) is equipped with an O-ring-like gasket (19) at the joint with the end face of the hollow insulator (10), and also has a gasket (20) at the joint with the connector (16) to prevent drying. The center hole of the hollow insulator 00 is filled with an insulating medium such as air or inert gas (
21) is kept airtight inside. In addition, a holder (1
7) is rotatably provided with a tension adjustment fitting 22) for the optical fiber (5) which is screwed into the base of the connector (16), and the holder (17) is attached to the flange of the connection fitting (11). (23) before tightening the tension adjustment fitting (22).
can be rotated to move the connector (16) so that the optical fiber (5) can be kept in a non-contact state with the side wall of the center hole (21) of the hollow insulator 00). Furthermore, between the holders (17) on both sides, a flexible storage tube (24) made of bellows-shaped stainless steel material or the like is provided.
) is provided, and a holder (1) for the optical fiber (5) is provided.
7) and (17) is kept airtight.
この可撓性収納管（２４）は中央に膨出部（２５）を備
え、光ファイバー（５）をループ状に収納して強風等の
影響により上下の中空碍子α０が接続金具（１１）の接
続ビン（２６）を中心として屈曲した場合にも光ファイ
バー（５）に曲げ応力が作用しないように配慮しである
。なお、以上に説明した第１の実施例では中空碍子α０
）の中心孔（２１）の内径がコネクター（１６）の外径
よりも小さいため、光ファイバー（５）を予め中心孔（
２１）に挿通した後にコネクター（１６）に接続する必
要があるが、第３図に示す第２の実施例は中空碍子０の
の中心孔（２１）を光ファイバー（５）のコネクター
（１６）の外径よりも太き（したものであり、光ファイ
バー（５）をコネクター（１６）に予め接続したうえで
中空碍子００）の中心孔（２１）に挿通することができ
、また、張力調整金具（２２）に接する中空碍子０ωの
内周面には導電性塗料を塗布して中空碍子ＱＯ）の内面
と光ファイバー（５）のコネクター（１６）との間の電
位差をゼロとしである。This flexible storage tube (24) has a bulge (25) in the center, stores the optical fiber (5) in a loop, and prevents the upper and lower hollow insulators α0 from connecting to the connecting fitting (11) due to the influence of strong winds. Care has been taken so that bending stress does not act on the optical fiber (5) even when it is bent around the bottle (26). In addition, in the first embodiment described above, the hollow insulator α0
) Since the inner diameter of the center hole (21) of the connector (16) is smaller than the outer diameter of the connector (16), the optical fiber (5) is inserted into the center hole (21) in advance.
21) and then connect it to the connector (16), but in the second embodiment shown in Figure 3, the center hole (21) of the hollow insulator 0 is connected to the connector (5) of the optical fiber (5).
It is thicker than the outer diameter of (16), and can be inserted into the center hole (21) of the hollow insulator 00 after the optical fiber (5) has been connected to the connector (16) in advance, and A conductive paint is applied to the inner circumferential surface of the hollow insulator 0ω in contact with the tension adjustment fitting (22) to zero the potential difference between the inner surface of the hollow insulator QO) and the connector (16) of the optical fiber (5). .
（作用）
このように構成されたものは、光学センサー（１２）に
よって検出された送電線（３）の温度、電流、張力、そ
の他の情報を接地側の変換器（１３）、接続箱（１４）
を介して架空地線（１５）に伝送するものであるが、送
電線（３）の状態検知用の光ファイバー（５）を複数の
中空碍子α０の中空部に気密に封入させたうえそれらを
屈曲可能な接続金具（１１）により接続して中空碍子連
（６）となし、これを送電線（３）の高電圧側と接地側
との間に設けたものであるから、光ファイバー（５）の
表面が外気との接触により汚染されて漏洩電流を生ずる
ことがなく、また、高電界によるコロナの影響を受けて
損傷することがない。また、光ファイバー（５）は中空
碍子（１０）により機械的損傷から保護されているうえ
に複数の中空碍子００）から構成される中空碍子連（６
）は強風下においては屈曲可能な接続金具（１１）の部
分で屈曲してそれ自体の切損を防止し、しかも、内蔵さ
れた光ファイバー（５）を有効に保護することができる
ものであるから、保守が極めて困難であるうえ強風によ
る振動が生じ易く、また、外気の影響を受け易い送電線
に対しても光ファイバーによる状態監視を行なうことか
可能である。しかも、実施例のように光フ１： ・什゛
−（５）を中空碍子０°）６非接触状態に維持す７ば、
光ファイバー（５）と中空碍子００）との間に電位分担
の差が生じたとしても微小放電が生ずることがなく、こ
れによる光ファイバー（５）の浸食が防止できる。また
、光ファイバー（５）と中空碍子００）との接触を避け
ることができない接続部においては、両者間の電位差を
積極的にゼロとして微小放電による光ファイバー（５）
の浸食を防止している。なお、以」二に説明した第１及
び第２の実施例では光ファイバー（５）は接続金具（１
１）の部分でコネクター（１６）により接続されている
が、第４図に示す第３の実施例のように単一の光ファイ
バー（５）を複数の中空碍子００）の内部に貫通させた
ものとしてもよい。さらに、第４図の中空碍子α０は上
下両端にキャンプ状の接続金具（１１）を備えており、
隣接する接続金具（１１）はビン（２７）により屈曲可
能に結合されて中空碍子連（６ンを構成し、各接続金具
（１１）は光ファイバー（５）を中空碍子αＯ）と非接
触状態に支持するための光フアイバー挿通孔（２８）を
中心部に備えており、また、第５図に示されるように各
接続金具（１１）、（１１）間にはパツキン（２９）付
きの可撓性収納管（２４）が設けられている。光ファイ
バー（５）は接続金具（１１）の光フアイバー挿通孔（
２８）を貫通した後、可撓性収納管（２４）と接続金具
（１１）との間隙を経て隣接する接続金具（１１）の光
フアイバー挿通孔（２８）へ導かれるため、外気との接
触は完全に防止されている。なお、光ファイバー（５）
の接続金具（１１）に接する部分には導電性塗料を塗布
して導電層（３０）を形成したうえ、リード線（３１）
により接続金具（１１）に導通させである。次に、第６
図は第４の実施例を示すものであり、接続金具（１１）
をボールソケットタイプとするとともに接続金具（１１
）の中心部に光ファイバー（５）を中空碍子ａＯ）と非
接触状態に支持する保持部（３２）を設け、さらに、接
続金具（１１）、（１１）間に光ファイバー（５）のみ
を気密に収納する可撓性収納管（２４）を設けた点にお
いて第３の実施例と相違するものであるが、これらの第
３の実施例及び第４の実施例の送電線用碍子装置も第１
の実施例及び第２の実施例のものと同様に用いられるこ
とは言うまでもない。(Function) The device configured as described above transmits the temperature, current, tension, and other information of the power transmission line (3) detected by the optical sensor (12) to the ground side converter (13) and the junction box (14). )
The optical fiber (5) for detecting the status of the power transmission line (3) is hermetically sealed in the hollow part of multiple hollow insulators α0 and then bent. The hollow insulator chain (6) is formed by connecting with a possible connecting fitting (11), and this is installed between the high voltage side and the ground side of the power transmission line (3), so the optical fiber (5) The surface will not be contaminated by contact with the outside air, causing leakage current, and will not be damaged by the effects of corona caused by high electric fields. In addition, the optical fiber (5) is protected from mechanical damage by a hollow insulator (10), and the hollow insulator chain (6) is composed of a plurality of hollow insulators (00).
) is bent at the bendable connecting fitting (11) in strong winds, preventing itself from being cut, and also effectively protecting the built-in optical fiber (5). It is also possible to monitor the condition of power transmission lines using optical fibers, which are extremely difficult to maintain, are susceptible to vibrations due to strong winds, and are susceptible to the effects of outside air. Moreover, if the optical fiber 1: ・゛-(5) is maintained in a non-contact state with the hollow insulator 0°) 6 as in the embodiment,
Even if a difference in potential sharing occurs between the optical fiber (5) and the hollow insulator 00), no minute discharge occurs, and erosion of the optical fiber (5) due to this can be prevented. In addition, at the connection part where contact between the optical fiber (5) and the hollow insulator 00) cannot be avoided, the potential difference between the two is actively set to zero, and the optical fiber (5) is
prevents erosion. In addition, in the first and second embodiments described below, the optical fiber (5) is connected to the connection fitting (1).
1) is connected by a connector (16), but as in the third embodiment shown in Fig. 4, a single optical fiber (5) is passed through a plurality of hollow insulators 00). You can also use it as Furthermore, the hollow insulator α0 in FIG. 4 is equipped with camp-shaped connection fittings (11) at both the upper and lower ends.
Adjacent connecting fittings (11) are bendably connected by bins (27) to form a hollow insulator chain (6 rings), and each connecting fitting (11) brings the optical fiber (5) into a non-contact state with the hollow insulator αO). It has an optical fiber insertion hole (28) in the center for support, and as shown in FIG. A storage tube (24) is provided. The optical fiber (5) is inserted into the optical fiber insertion hole (
28), it is guided through the gap between the flexible storage tube (24) and the connecting fitting (11) to the optical fiber insertion hole (28) of the adjacent connecting fitting (11), so that it does not come in contact with the outside air. is completely prevented. In addition, optical fiber (5)
A conductive paint is applied to the part in contact with the connecting fitting (11) to form a conductive layer (30), and the lead wire (31)
This makes the connection fitting (11) conductive. Next, the sixth
The figure shows the fourth embodiment, and shows the connection fittings (11).
is a ball and socket type, and the connection fittings (11
) is provided with a holding part (32) that supports the optical fiber (5) in a non-contact state with the hollow insulator (aO), and furthermore, only the optical fiber (5) is airtightly held between the connecting fittings (11) and (11). Although they differ from the third embodiment in that a flexible storage pipe (24) is provided, the power transmission line insulator devices of the third and fourth embodiments are also similar to the first embodiment.
It goes without saying that this embodiment can be used in the same manner as in the embodiment and the second embodiment.
（発明の効果）
本発明は以上の説明からも明らかなように、保守が極め
て困難であるうえ塩分、座弁、水分、腐食性外気等の影
響を受け易く、しかも、強風による振動を生じ易い送電
線に対しても光ファイバーを利用した送電線の状態監視
を行なうことを可能としたものであり、地域によって異
なる環境条件下において送電線がどのような影響を受け
ているのかを常時監視することができ、送電線の信頼性
向上を図るうえに大きく寄与するものである。しかも、
本発明は既設の送電線に対しても容易に適用することが
できる小型で安価なものであり、輸送や据付けにも特別
の労力を必要としない利点をも有するものであり、産業
界の発展に寄与するところは大である。(Effects of the Invention) As is clear from the above description, the present invention is extremely difficult to maintain, is susceptible to the effects of salt, seat valves, moisture, corrosive outside air, etc., and is susceptible to vibration due to strong winds. It also makes it possible to monitor the status of power transmission lines using optical fiber, and constantly monitors how power transmission lines are being affected under environmental conditions that vary depending on the region. This will greatly contribute to improving the reliability of power transmission lines. Moreover,
The present invention is small and inexpensive and can be easily applied to existing power transmission lines, and has the advantage that it does not require special labor for transportation or installation. There is a large contribution to be made.
第１図は本発明の第１の実施例の一部切欠正面図、第２
図は同じく要部の一部切欠正面図、第３図は第２の実施
例の要部の一部切欠正面図、第４図は第３の実施例の一
部切欠正面図、第５図は同じく要部の一部切欠正面図、
第６図は第４の実施例の要部の一部切欠正面図である。
（３）：送電線、（５）：光ファイバー、（６）：中空
碍子連、ａＯ）：中空碍子、（１１） ：接続金具、（
２２） ：張力調整金具、（２４） ：可撓性収納管、
（３０） ：導電層、（３２） ：保持部。
特許出願人 東京電力株式会社
同 日立電線株式会社
第３図
第５図FIG. 1 is a partially cutaway front view of the first embodiment of the present invention;
The figure is a partially cutaway front view of the main part, FIG. 3 is a partially cutaway front view of the main part of the second embodiment, FIG. 4 is a partially cutaway front view of the third embodiment, and FIG. is also a partially cutaway front view of the main part,
FIG. 6 is a partially cutaway front view of the main part of the fourth embodiment. (3): Power transmission line, (5): Optical fiber, (6): Hollow insulator chain, aO): Hollow insulator, (11): Connection fitting, (
22) : Tension adjustment fitting, (24) : Flexible storage pipe,
(30) : Conductive layer, (32) : Holding part. Patent applicant Tokyo Electric Power Co., Ltd. Hitachi Cable Co., Ltd. Figure 3 Figure 5
Claims (1)
中空部に内蔵された中空碍子００）の両端を屈曲可能な
接続金具（１１）により接続してなる中空碍子連（６）
を高電圧側と接地側との間に設けたことを特徴とする送
電線用碍子装置。 ２、接続金具（１１）が光ファイバー（５）の張力調整
金具（２２）を備えたものである特許請求の範囲第１項
記載の送電線用碍子装置。 ３、接続金具（１１）が中空碍子ＱＯ）の端面から突出
した光ファイバー（５）を気密に保護する可視性収納管
（２４）を備えたものである特許請求の範囲第１項記載
の送電線用碍子装置。 ４、中空碍子ａのが光ファイバー（５）を非接触状態に
支持する保持部（３２）を備えたものである特許請求の
範囲第１項または第２項または第３項記載の送電線用碍
子装置。 ５、光ファイバー（５）が接続金具（１１）と接する部
分に導電層（３０）を有するものである特許請求の範囲
第１項または第２項または第３項または第４項記載の送
電線用碍子装置。[Claims] 1. A hollow structure in which an optical fiber (5) for detecting the state of a power transmission line (3) is connected to both ends of a hollow insulator (00) built in the hollow part by a bendable connecting fitting (11). Insulator series (6)
An insulator device for a power transmission line, characterized in that it is provided between a high voltage side and a ground side. 2. The insulator device for a power transmission line according to claim 1, wherein the connecting fitting (11) is provided with a tension adjustment fitting (22) for the optical fiber (5). 3. The power transmission line according to claim 1, wherein the connecting fitting (11) is provided with a visible storage tube (24) that airtightly protects the optical fiber (5) protruding from the end face of the hollow insulator (QO). Insulator device. 4. The insulator for power transmission lines according to claim 1, 2, or 3, wherein the hollow insulator a is provided with a holding part (32) that supports the optical fiber (5) in a non-contact state. Device. 5. For a power transmission line according to claim 1 or 2 or 3 or 4, wherein the optical fiber (5) has a conductive layer (30) at the part where it contacts the connection fitting (11). Insulator device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59118863A JPS60262104A (en) | 1984-06-08 | 1984-06-08 | Insulator device for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59118863A JPS60262104A (en) | 1984-06-08 | 1984-06-08 | Insulator device for power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60262104A true JPS60262104A (en) | 1985-12-25 |
| JPH0435041B2 JPH0435041B2 (en) | 1992-06-09 |
Family
ID=14746994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59118863A Granted JPS60262104A (en) | 1984-06-08 | 1984-06-08 | Insulator device for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60262104A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63168404U (en) * | 1987-04-21 | 1988-11-02 | ||
| JPS63198004U (en) * | 1987-06-11 | 1988-12-20 | ||
| US4810836A (en) * | 1987-06-03 | 1989-03-07 | Ngk Insulators, Ltd. | Optical fiber-containing insulators |
| JPH0375602A (en) * | 1989-08-17 | 1991-03-29 | Ngk Insulators Ltd | Leading out structure of optical fiber for optical fiber-containing insulator and optical fiber-containing insulator device utilizing this structure |
| JPH03203132A (en) * | 1989-12-28 | 1991-09-04 | Chubu Electric Power Co Inc | Insulator apparatus for photo ct attached bus-line |
| WO1999005554A1 (en) * | 1997-07-23 | 1999-02-04 | Siemens Aktiengesellschaft | Optical waveguide arrangement for connecting points of varying electrical potential |
| JP2014220981A (en) * | 2013-04-30 | 2014-11-20 | ケーエイチバテック カンパニー リミテッド | Transmission line tower power supply system and method employing optical power transmission device, and data transmission/reception method employing optical power transmission device |
| DE112010002691B4 (en) | 2009-04-14 | 2023-01-12 | General Electric Technology Gmbh | FOLDABLE HIGH VOLTAGE INSULATION COLUMN |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5596507A (en) * | 1979-01-18 | 1980-07-22 | Siemens Ag | High voltage insulator |
| JPS56142004U (en) * | 1980-03-24 | 1981-10-27 | ||
| JPS591590U (en) * | 1982-06-26 | 1984-01-07 | 株式会社明電舎 | Structure of robot joints |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4215609A (en) * | 1979-02-09 | 1980-08-05 | Molins Machine Company, Inc. | Slitter scorer having upper and lower pairs of shafts selectively rotated by a single drive |
-
1984
- 1984-06-08 JP JP59118863A patent/JPS60262104A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5596507A (en) * | 1979-01-18 | 1980-07-22 | Siemens Ag | High voltage insulator |
| JPS56142004U (en) * | 1980-03-24 | 1981-10-27 | ||
| JPS591590U (en) * | 1982-06-26 | 1984-01-07 | 株式会社明電舎 | Structure of robot joints |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63168404U (en) * | 1987-04-21 | 1988-11-02 | ||
| JP2524039Y2 (en) * | 1987-04-21 | 1997-01-29 | 株式会社戸上電機製作所 | Control device having optical fiber signal line |
| US4810836A (en) * | 1987-06-03 | 1989-03-07 | Ngk Insulators, Ltd. | Optical fiber-containing insulators |
| JPS63198004U (en) * | 1987-06-11 | 1988-12-20 | ||
| JPH0375602A (en) * | 1989-08-17 | 1991-03-29 | Ngk Insulators Ltd | Leading out structure of optical fiber for optical fiber-containing insulator and optical fiber-containing insulator device utilizing this structure |
| JPH03203132A (en) * | 1989-12-28 | 1991-09-04 | Chubu Electric Power Co Inc | Insulator apparatus for photo ct attached bus-line |
| WO1999005554A1 (en) * | 1997-07-23 | 1999-02-04 | Siemens Aktiengesellschaft | Optical waveguide arrangement for connecting points of varying electrical potential |
| DE112010002691B4 (en) | 2009-04-14 | 2023-01-12 | General Electric Technology Gmbh | FOLDABLE HIGH VOLTAGE INSULATION COLUMN |
| JP2014220981A (en) * | 2013-04-30 | 2014-11-20 | ケーエイチバテック カンパニー リミテッド | Transmission line tower power supply system and method employing optical power transmission device, and data transmission/reception method employing optical power transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0435041B2 (en) | 1992-06-09 |
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